NPPES file of Aug 9, 2026

Cosette Diane Case, LCSW

Mental Health Counselor · Los Angeles, CA

Cosette Diane Case, LCSW is a mental health counselor with a practice address in Los Angeles, California, and NPI 1720143464, issued on Dec 22, 2006. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720143464
Name
Cosette Diane Case
Credential
LCSW
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
12304 Santa Monica Blvd Ste 300, Los Angeles, CA 90025
Phone
(310) 712-7088
Enumerated
Dec 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Cosette Diane Case in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Cosette Diane Case among 28,617 mental health counselor records in California

Cosette Diane Case, LCSW is one of 28,617 mental health counselor records with a practice address in California. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 96% newer
  • In a Medicare fileNo · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2007 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,643 mental health counselor records list a practice address in Los Angeles

They are 1,643 of the 69,537 NPPES records with a practice address in Los Angeles, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 mental health counselor records with the nearest ZIP codes

  1. Shahnaz Abrar, M F TLos Angeles, CA 900251497848980
  2. William Cloke, PH.D.Los Angeles, CA 900251770518672
  3. David Grill, MFTLos Angeles, CA 900251194974030
  4. Kristin Howard, LMFTLos Angeles, CA 900251144598954
  5. Anjali Koester, MS OTR/LLos Angeles, CA 900251407049679
  6. Debra Lipchik, MFTLos Angeles, CA 900251467691634
  7. Leslie QuinnLos Angeles, CA 900251376691188
  8. Brenda Robles, B.ALos Angeles, CA 900251982804621

Common questions

What is Cosette Diane Case, LCSW's NPI number?

Cosette Diane Case, LCSW's National Provider Identifier (NPI) is 1720143464, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cosette Diane Case, LCSW located?

The NPPES record lists a practice address at 12304 Santa Monica Blvd Ste 300, Los Angeles, CA, 90025. Phone: (310) 712-7088. Providers update this record themselves, so call before visiting.

How can I verify Cosette Diane Case, LCSW's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.